75760449 has 16 divisors (see below), whose sum is σ = 108164160. Its totient is φ = 46999040.

The previous prime is 75760439. The next prime is 75760469. The reversal of 75760449 is 94406757.

It is a cyclic number.

It is not a de Polignac number, because 75760449 - 2²⁰ = 74711873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75760449.

It is not an unprimeable number, because it can be changed into a prime (75760439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3807 + ... + 12884.

It is an arithmetic number, because the mean of its divisors is an integer number (6760260).

Almost surely, 2^75760449 is an apocalyptic number.

It is an amenable number.

75760449 is a deficient number, since it is larger than the sum of its proper divisors (32403711).

75760449 is a wasteful number, since it uses less digits than its factorization.

75760449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16800.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 75760449 is about 8704.0478514310. The cubic root of 75760449 is about 423.1368480093.

The spelling of 75760449 in words is "seventy-five million, seven hundred sixty thousand, four hundred forty-nine".